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Purchase order number 022045670004, Erlenmeyer flask (03028277) I bought No. 14 (33464347) that was described as being compatible with 1 liter size. Perhaps I think that I am rewriting the description based on the complaint described in the review, but this time I am too perfect at No. 14. When trying to plug the contents so that it does not overflow, it is easy to imagine that more than 90% of the stopper must be pushed into the flask and it will be impossible to remove it by pushing it in and it will not be usable . Perhaps it is probably one size larger than No. 15 is an appropriate size.

I do not know when the product was made, but I am doing well. Especially it is wonderful that drilling work can be done in 2 seconds per hole. The current students and researchers envy! In the past you had to raise the skill to make straight holes in the cork!